mass-storage/mass-storage-backup-archive.md

@@ -5,7 +5,7 @@
 # Backup procedure
 
 Personal spaces (home) and group folders are backed on a regular basis on a tape library situated in a different location (at the SEGI, B36). It’s an automatised procedure in which 
-any file that has been modified and then did not change for at least 2h will enter a “backing-up queue” and will be backed up as soon as technically possible. In most cases, this 
+any file that has been modified then left unchanged for at least 2h will enter a “backing-up queue” and will be backed up as soon as technically possible. In most cases, this 
 means that newly 
 modified files will be backed up after 2h of inactivity, but the delay could be longer if large files are currently being backed up, if a large number of files have been modified 
 recently or if the system is momentarily down for maintenance. In all these cases, it could take several hours before a file is actually backed up.
@@ -24,8 +24,8 @@ Users have to ask the UDI GIGA-MED IT specialist to recover their last backed-up
 
 **IMPORTANT**  
 As the tape system can only handle a limited amount of data per hour, any action impacting 1 Tb of data or more, for example copying a large dataset or downloading large files, 
-must be reported before being performed to the UDI GIGA-MED IT department so that these large changes do not affect the proper functioning of the operations. This rule is applied also in 
-if a large number of small files (e.g. several thousands of 1kB files) are created or modified.
+must be reported **before** being performed to the UDI GIGA-MED IT department so that these large changes do not affect the proper functioning of the operations. This rule also applied 
+when large number of small files are created or modified (e.g. several thousands of files of less than 1 Mb).
 
 # nobackup folders
 
@@ -37,6 +37,6 @@ Once the server will reach 80% of its maximum storage capacity, oldest data will
 
 This procedure will affect only files of more than 4Mb and will start with files that haven’t been modified, read or open for at least 270 days. If that’s not enough, “younger” files may be affected too.
 
-It means that opening data that haven’t been used for a long time will become a slow process, as these data will first need to migrate from tape to drive before to be accessible again. The time required will depend of the ongoing backing up of other files. In optimal conditions, it should take up to 1h to access a 1 TB file.
+It means that opening data that haven’t been used for a long time will become a slow process, as these data will first need to migrate from tape to drive before to be accessible again. The time required will depend of the ongoing backing up of other files. In optimal conditions, it shouldn't take more than 1h to access a 1 TB file.
 
 # [Contacts](mass-storage/mass-storage-contacts)
\ No newline at end of file